diff --git a/deb/stack.yaml b/deb/stack.yaml
index 8b1e64ec0..5b3eadf36 100644
--- a/deb/stack.yaml
+++ b/deb/stack.yaml
@@ -16,4 +16,6 @@ packages:
 extra-deps:
 - data-default-0.6.0
 - pandoc-citeproc-0.10
+- http-client-0.5.0
+- http-client-tls-0.3.0
 resolver: lts-6.5
diff --git a/osx/stack.yaml b/osx/stack.yaml
index ac438d1a2..5c9dc607e 100644
--- a/osx/stack.yaml
+++ b/osx/stack.yaml
@@ -19,4 +19,6 @@ packages:
 extra-deps:
 - 'pandoc-citeproc-0.10'
 - 'data-default-0.6.0'
+- 'http-client-0.5.0'
+- 'http-client-tls-0.3.0'
 resolver: lts-6.5
diff --git a/windows/stack.yaml b/windows/stack.yaml
index 011dfb4c9..eb96c862f 100644
--- a/windows/stack.yaml
+++ b/windows/stack.yaml
@@ -16,4 +16,6 @@ packages:
 extra-deps:
 - 'data-default-0.6.0'
 - 'pandoc-citeproc-0.10'
+- 'http-client-0.5.0'
+- 'http-client-tls-0.3.0'
 resolver: lts-6.5